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A weak disburbance will arrive across the North Bay on Wednesday and drop up to an inch of rain. The bigger story is a return of stormy conditions this coming weekend with the potential for another wet 4-5 day period.


The pattern is changing in the Pacific with the strengthening (once again) of the Pacific jet stream which will direct storms at California later this week.

First though we will have a weak disturbance sweep through Wednesday into Thursday.

This Wednesday storm may drop about a half inch of rain by late Thursday. Some models show more than an inch. This is the European.

By Friday the jet stream is expected to strengthen and extend eastward to California.

This will bring a stronger storm to the California coast beginning Saturday morning, with another storm for Sunday afternoon on its heals.

The rain is expected to add up. By the time the Saturday storm winds down on Sunday, we may see an additional 2 inches of rain (more in the hills).

There won’t be much of a break. The next storm will hit late Sunday and has the potential to bring another two inches of rain (or more) to the North Bay by late Tuesday. This one may be sent further south by the jet stream.

That would bring the forecast 4 day rainfall totals (Saturday through Tuesday) to over 4 inches according to most weather models.

After that the weather may clear for several days, beginning around Thursday the 22nd, as a high pressure ridge moves in.

We’ll have a more detailed look at the week ahead coming up. Stay tuned!

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